CoInternetQueryInfo

// urlmon.dll
#include <windows.h>

HRESULT CoInternetQueryInfo(
    LPCWSTR pwzUrl,
    QUERYOPTION QueryOptions,
    DWORD dwQueryFlags,
    void* pvBuffer,
    DWORD cbBuffer,
    DWORD* pcbBuffer,   // optional
    DWORD dwReserved
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function CoInternetQueryInfo(
    <MarshalAs(UnmanagedType.LPWStr)> pwzUrl As String,   ' LPCWSTR
    QueryOptions As Integer,   ' QUERYOPTION
    dwQueryFlags As UInteger,   ' DWORD
    pvBuffer As IntPtr,   ' void* out
    cbBuffer As UInteger,   ' DWORD
    pcbBuffer As IntPtr,   ' DWORD* optional, out
    dwReserved As UInteger   ' DWORD
) As Integer
End Function

' pwzUrl : LPCWSTR
' QueryOptions : QUERYOPTION
' dwQueryFlags : DWORD
' pvBuffer : void* out
' cbBuffer : DWORD
' pcbBuffer : DWORD* optional, out
' dwReserved : DWORD
Declare PtrSafe Function CoInternetQueryInfo Lib "urlmon" ( _
    ByVal pwzUrl As LongPtr, _
    ByVal QueryOptions As Long, _
    ByVal dwQueryFlags As Long, _
    ByVal pvBuffer As LongPtr, _
    ByVal cbBuffer As Long, _
    ByVal pcbBuffer As LongPtr, _
    ByVal dwReserved As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CoInternetQueryInfo = ctypes.windll.urlmon.CoInternetQueryInfo
CoInternetQueryInfo.restype = ctypes.c_int
CoInternetQueryInfo.argtypes = [
    wintypes.LPCWSTR,  # pwzUrl : LPCWSTR
    ctypes.c_int,  # QueryOptions : QUERYOPTION
    wintypes.DWORD,  # dwQueryFlags : DWORD
    ctypes.POINTER(None),  # pvBuffer : void* out
    wintypes.DWORD,  # cbBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbBuffer : DWORD* optional, out
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
CoInternetQueryInfo = Fiddle::Function.new(
  lib['CoInternetQueryInfo'],
  [
    Fiddle::TYPE_VOIDP,  # pwzUrl : LPCWSTR
    Fiddle::TYPE_INT,  # QueryOptions : QUERYOPTION
    -Fiddle::TYPE_INT,  # dwQueryFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pvBuffer : void* out
    -Fiddle::TYPE_INT,  # cbBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # pcbBuffer : DWORD* optional, out
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "urlmon")]
extern "system" {
    fn CoInternetQueryInfo(
        pwzUrl: *const u16,  // LPCWSTR
        QueryOptions: i32,  // QUERYOPTION
        dwQueryFlags: u32,  // DWORD
        pvBuffer: *mut (),  // void* out
        cbBuffer: u32,  // DWORD
        pcbBuffer: *mut u32,  // DWORD* optional, out
        dwReserved: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("urlmon.dll")]
public static extern int CoInternetQueryInfo([MarshalAs(UnmanagedType.LPWStr)] string pwzUrl, int QueryOptions, uint dwQueryFlags, IntPtr pvBuffer, uint cbBuffer, IntPtr pcbBuffer, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_CoInternetQueryInfo' -Namespace Win32 -PassThru
# $api::CoInternetQueryInfo(pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved)

#uselib "urlmon.dll"
#func global CoInternetQueryInfo "CoInternetQueryInfo" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CoInternetQueryInfo pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, varptr(pcbBuffer), dwReserved   ; 戻り値は stat
; pwzUrl : LPCWSTR -> "sptr"
; QueryOptions : QUERYOPTION -> "sptr"
; dwQueryFlags : DWORD -> "sptr"
; pvBuffer : void* out -> "sptr"
; cbBuffer : DWORD -> "sptr"
; pcbBuffer : DWORD* optional, out -> "sptr"
; dwReserved : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "urlmon.dll"
#cfunc global CoInternetQueryInfo "CoInternetQueryInfo" wstr, int, int, sptr, int, var, int
; res = CoInternetQueryInfo(pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; QueryOptions : QUERYOPTION -> "int"
; dwQueryFlags : DWORD -> "int"
; pvBuffer : void* out -> "sptr"
; cbBuffer : DWORD -> "int"
; pcbBuffer : DWORD* optional, out -> "var"
; dwReserved : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT CoInternetQueryInfo(LPCWSTR pwzUrl, QUERYOPTION QueryOptions, DWORD dwQueryFlags, void* pvBuffer, DWORD cbBuffer, DWORD* pcbBuffer, DWORD dwReserved)
#uselib "urlmon.dll"
#cfunc global CoInternetQueryInfo "CoInternetQueryInfo" wstr, int, int, intptr, int, var, int
; res = CoInternetQueryInfo(pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; QueryOptions : QUERYOPTION -> "int"
; dwQueryFlags : DWORD -> "int"
; pvBuffer : void* out -> "intptr"
; cbBuffer : DWORD -> "int"
; pcbBuffer : DWORD* optional, out -> "var"
; dwReserved : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	urlmon = windows.NewLazySystemDLL("urlmon.dll")
	procCoInternetQueryInfo = urlmon.NewProc("CoInternetQueryInfo")
)

// pwzUrl (LPCWSTR), QueryOptions (QUERYOPTION), dwQueryFlags (DWORD), pvBuffer (void* out), cbBuffer (DWORD), pcbBuffer (DWORD* optional, out), dwReserved (DWORD)
r1, _, err := procCoInternetQueryInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzUrl))),
	uintptr(QueryOptions),
	uintptr(dwQueryFlags),
	uintptr(pvBuffer),
	uintptr(cbBuffer),
	uintptr(pcbBuffer),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoInternetQueryInfo(
  pwzUrl: PWideChar;   // LPCWSTR
  QueryOptions: Integer;   // QUERYOPTION
  dwQueryFlags: DWORD;   // DWORD
  pvBuffer: Pointer;   // void* out
  cbBuffer: DWORD;   // DWORD
  pcbBuffer: Pointer;   // DWORD* optional, out
  dwReserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'CoInternetQueryInfo';

result := DllCall("urlmon\CoInternetQueryInfo"
    , "WStr", pwzUrl   ; LPCWSTR
    , "Int", QueryOptions   ; QUERYOPTION
    , "UInt", dwQueryFlags   ; DWORD
    , "Ptr", pvBuffer   ; void* out
    , "UInt", cbBuffer   ; DWORD
    , "Ptr", pcbBuffer   ; DWORD* optional, out
    , "UInt", dwReserved   ; DWORD
    , "Int")   ; return: HRESULT

●CoInternetQueryInfo(pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved) = DLL("urlmon.dll", "int CoInternetQueryInfo(char*, int, dword, void*, dword, void*, dword)")
# 呼び出し: CoInternetQueryInfo(pwzUrl, QueryOptions, dwQueryFlags, pvBuffer, cbBuffer, pcbBuffer, dwReserved)
# pwzUrl : LPCWSTR -> "char*"
# QueryOptions : QUERYOPTION -> "int"
# dwQueryFlags : DWORD -> "dword"
# pvBuffer : void* out -> "void*"
# cbBuffer : DWORD -> "dword"
# pcbBuffer : DWORD* optional, out -> "void*"
# dwReserved : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。